#include<iostream>
const double miles_per_100_kilometers = 62.14;
const double liters_per_gallon = 3.875;

int main()
{
    using namespace std;
    double liters_per_100_kilometers;
    cout << "Enter the automobile gasoline consumption figure in ";
    cout << "europeanstyle(liters per 100 kilometers):";
    cin >> liters_per_100_kilometers;
    double miles,gallons;
    miles = miles_per_100_kilometers * 1;
    gallons = liters_per_100_kilometers / liters_per_gallon;
    double ratio = miles / gallons;
    cout << "The automobile gasoline consumption figure in the U.S. style(miles per gallon):";
    cout << ratio << endl;

    return 0;
}